Institutio Oratoria

He was a shrewd man who, when he asked a rustic witness whether he knew Amphion, and the witness replied that he did not, dropped the aspirate and shortened the second syllable, [*]( The witness did not recognise the name correctly pronounced Amphion, but recognised it when pronounced Amphion. ) whereupon the witness recognised him at once. Such situations, when it is impossible to speak as we write, will sometimes make it necessary to speak in language other than that which we use in writing.